<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<script type="text/javascript">
			var r=parseInt(Math.random()*1000);			
			document.write(r);
			var a=1,b=1,c=2;
			do{
				c=a+b;
				a=b;
				b=c;
			}while(c<10);
			document.write("<h1>"+c+"</h1>");
		</script>
	</body>
</html>
